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Showing 1–2 of 2 results
Advanced filters: Author: Vladimir A. Samarkin Clear advanced filters

  • Nitrous oxide is a potent atmospheric greenhouse gas that is thought to be produced in soils through biological processes. Field measurements reveal nitrous oxide fluxes near Don Juan Pond, Antarctica — of comparable magnitude to those found in tropical soils — which may result from abiotic water–rock reactions.

    • Vladimir A. Samarkin
    • Michael T. Madigan
    • Samantha B. Joye
    Research
    Nature Geoscience
    Volume: 3, P: 341-344

  • Brine fluids supply the sea floor with energy-rich substrates. Geochemical and genetic analyses indicate that the associated microbial communities—and their dominant metabolisms—vary between seep sites with different supplies of sulphate and organic matter.

    • Samantha B. Joye
    • Vladimir A. Samarkin
    • Christof D. Meile
    Research
    Nature Geoscience
    Volume: 2, P: 349-354